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Senior Associate, Data Scientist - NLP

Capital One

$120,900 - $165,600
Dec 2, 2025
McLean, VA, US
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Capital One is looking to leverage AI/ML and generative AI technologies to build and ship state-of-the-art scalable architecture and AI/ML solutions for their award-winning mobile app, aiming to deliver dynamic and personalized customer experiences, enable chatbot interactions, and improve content search.

Requirements

  • You’re comfortable with advanced ML and DL technologies including language models and are passionate about developing further.
  • You have hands-on experience working with LLMs and solutions using open-source tools and cloud computing platforms.
  • You are experienced in training language models or large computer vision models as well as have expertise in one or more key subdomains such as: training optimization, self-supervised learning, explainability, RLHF.
  • You have an engineering mindset as shown by a track record of delivering models at scale both in training data and inference volumes.
  • You have experience in delivering libraries, platforms, or solution level code to existing products.
  • Experience working with AWS
  • At least 2 years’ experience in Python, Scala, or R
  • At least 2 years’ experience with machine learning
  • At least 2 years’ experience with SQL

Responsibilities

  • Partner with a cross-functional team of data scientists, software engineers, machine learning engineers and product managers to deliver AI powered products that change how customers interact with their money.
  • Leverage a broad stack of technologies — Pytorch, AWS Ultraclusters, Hugging Face, LangChain, Lightning, VectorDBs, and more — to reveal the insights hidden within huge volumes of numeric and textual data.
  • Be the expert in Natural Language Processing (NLP) to harness the power of Large Language Models (LLMs), adapt and finetune them for customer facing applications and features.
  • Build machine learning and NLP models through all phases of development, from design through training, evaluation, and validation; partnering with engineering teams to operationalize them in scalable and resilient production systems that serve 80+ million customers.
  • Flex your interpersonal skills to translate the complexity of your work into tangible business goals.

Other

  • Customer first. You love the process of analyzing and creating, but also share our passion to do the right thing.
  • Innovative. You continually research and evaluate emerging technologies.
  • Creative. You thrive on bringing definition to big, undefined problems.
  • A leader. You challenge conventional thinking and work with stakeholders to identify and improve the status quo.
  • Influential. You are passionate about AI/ML and can bring along a cross functional team in breakthrough innovations.